Polypentamethylene succinate
[化] 聚丁二酸亚戊基酯
🧩 词语组成解析
n. [化]琥珀酸盐(或酯)
🗣️ 情景例句
Do you ever think about your clildhood?
你回忆过童年吗？
My biggest problem so far has been trying to remember everybody's name.
迄今为止我最大的问题就是尽量记住每个人的名字
Let's think carefully, I replied.
“让我们仔细想一想，”我答道。